THE 9MM FN 509 AND THE 9MM FN 509 MIDSIZE

I first became familiar with the FN 509 series of pistol when I field tested the model that accommodates a 17 round magazine. I hesitate to call this the full size 509, because this model has the same 4 inch barrel as the FN 509 Midsize. Surprisingly, the FN 509 Midsize model that accommodates a …

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